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Finding the Fourth Proportional to 440,477.10, 660,715.64 and 191,159.10

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Solution

The fourth proportional to 440,477.10, 660,715.64 and 191,159.10 is: 286,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,477.10 : 660,715.64 = 191,159.10 : x
  2. Step 2: Convert to fraction form
    440,477.10/660,715.64 = 191,159.10/x
  3. Step 3: Cross multiply
    440,477.10x = 660,715.64 × 191,159.10
  4. Step 4: Simplify right side
    440,477.10x = 126,301,807,098.32
  5. Step 5: Solve for x
    x = 126,301,807,098.32/440,477.10
  6. Step 6: Final answer
    x = 286,738.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.